Malicious PDF — malware analysis report

Static analysis result for SHA-256 8174eaed68c08ab2…

MALICIOUS

PDF

33.8 KB Created: 2021-07-20 09:16:26 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 62ef68b2337ff7840fecbbedc73da9d2 SHA-1: d86bc12ee9ebcd0ee0cf76e5a6cab1680014b535 SHA-256: 8174eaed68c08ab2c6ae6c82b8c3f9fd5b08f03580b3d173b8ad88460d4e4fdd
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a prominent link to a known malicious redirector, which is designed to lead users to potentially harmful websites. The document body and embedded URLs suggest a lure related to obtaining free in-game currency or hacks for popular games like Roblox, likely to trick users into visiting malicious sites for credential harvesting or malware downloads. No scripts were extracted, but the presence of a malicious redirector and the lure content strongly indicate a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9946

Heuristics 3

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://netcdn.tw/app/431946152/how-to-hack-someone In PDF document text
    • https://kldcardio.ru/images/free-robux-no-human-verification-no-survey_GM431946152.pdfIn PDF document text
    • https://kldcardio.ru/images/free-robux-hack_GM431946152.pdfIn PDF document text
    • https://kldcardio.ru/images/free-minecraft-capes_GM479516143.pdfIn PDF document text
    • https://kldcardio.ru/images/free-tiktok-likes-trial_GM835599320.pdfIn PDF document text
    • https://kldcardio.ru/images/get-tiktok-followers-free_GM835599320.pdfIn PDF document text
    • https://kldcardio.ru/images/free-robux-no-human-verification-or-survey-2021_GM431946152.pdfIn PDF document text
    • https://kldcardio.ru/images/minecraft-story-mode-free_GM479516143.pdfIn PDF document text
    • https://kldcardio.ru/images/coin-master-hack-2021_GM406889139.pdfIn PDF document text
    • https://kldcardio.ru/images/free-robux-quiz_GM431946152.pdfIn PDF document text
    • https://kldcardio.ru/images/free-spin-coin-master-link-2021_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002e44.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2E44 22264 bytes
SHA-256: 04e9f67e954f0d3164a2663350b9328808435d8809110f0a08a5d5d0f701ad81
font_01_sfnt_off00005faf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5FAF 19100 bytes
SHA-256: f8c38f6338dd1180f67060a8453b62b4418179096181c6ffa6c3da014b011598

Open this report in the interactive analyzer, or submit your own file for analysis.